baber/WOPTO huggingface dataset:
Patent EP-0381122-A2 (EP)
Inventor: GOLDSTEIN JOEL ERWIN
IPC: D04H1/64
Filed: 1990-01-29
Abstract: A two stage polymerization process for preparing a vinyl acetate emulsion copolymer containing a monomer which is normally incompatible with vinyl acetate. In the first stage the vinyl acetate, desirably ethylene and, optionally, an active crosslinking comonomer and/or latent crosslinking comonomer are free radical polymerized in the presence of a stabilizing system to yield a first stage polymer emulsion. When the free vinyl acetate monomer content of the first stage emulsion is less than about 5%, the second stage polymerization begins by adding the incom­patible monomer. Preferably, there is no cessation of the addition of the free radical source during the transition from the first stage to the second stage polymerization. No additional stabilizing system is added to the reaction in the second stage. 
     Vinyl acetate/ethylene/incompatible comonomer/latent crosslinking comonomer copolymers prepared by the two stage polymerization process are suitably used as binders for making nonwoven products.
Patent EP-0383138-A2 (EP)
Inventor: STEIN KARL-ULRICH DR
IPC: G01J3/14
Filed: 1990-02-05
Abstract: 2.1. To date, devices for the direct optical reception of a plurality of wavelengths have been embodied from discrete components in modules with guidance of the optical waves in free beam paths between the individual functional elements. The costs of these embodiments are prohibitively high for wide use. A particularly cost-effective device is specified. 
<??>2.2. The device essentially consists of a wave-guiding wavelength demultiplexer (3), which is integrated on a silicon substrate (10) and serves to guide and distribute waves ( lambda 1,  lambda 2,  lambda 3) arriving in a common channel (1) to different channels (71, 72, 73) which lead to integrated optoelectronic detectors (41, 42, 43). A development of the device is an integrated bidirectional functional unit consisting of an integrated transmitter and integrated direct receiver. 
<??>2.3. Application in optical communications technology. 
<IMAGE>
Patent EP-0383255-A2 (EP)
Inventor: MAEZAWA HIROSHI
IPC: C07F5/06
Filed: 1990-02-13
Abstract: The present invention relates to a process for preparing aluminoxane which comprises reacting an organoaluminum com­pound and water in a solvent system containing solvent having a higher boiling point than that of the organoaluminum compound, and condensing the resulting reaction mixture under atmospheric pressure or reduced pressure. 
     The present invention further relates to a process for preparing aluminoxane which comprises reacting an organoaluminum compound and water, adding a solvent system containing solvent having a higher boiling point than that of the organoaluminum compound to the above obtained reac­tion mixture, and condensing the resulting solution under atmospheric pressure or reduced pressure. 
     In accordance with the process of the present invention, high purity and high activity aluminoxane can be produced in a simplified manner. 
     Moreover, a solution of high purity aluminoxane ob­tained by the process of the present invention can be used as such as a catalyst component for production of olefin-­based polymers and styrene-based polymers and thus it does not need a step of dissolving or preparing a slurry.
Patent EP-0389908-A2 (EP)
Inventor: KRAUS CHARLES E
IPC: F16H37/08
Filed: 1990-03-19
Abstract: A multimode infinitely variable traction roller transmission including a toroidal traction roller trans­mission (7, 8) for infinitely varying the transmission ratio in each of the modes. Power is transmitted from an input shaft (1) to the planet carrier (54) of a planetary transmission (50-54) whose ring (51) is associated with the output shaft (2) of the transmission and through the toroidal traction roller transmission (7, 8) to the sun (50) of the planetary transmission (50-54) selectively by way of a chain gear or spur gear transmission (32, 36; 33, 41) provided with clutches (C2, C3) for selective engagement thereof, that is, for rotation of the sun (50) in one or the opposite direction. A brake structure (29) is provided for locking the planet carrier (54) in one of the transmission modes. Output shaft (2) speed is in­creased by increasing output speed of the infinitely variable transmission (7, 8) in the first mode (direct mode), it is further increased by subsequently decreasing the output speed of the infinitely variable transmission (7, 8) in the second mode (inverse regeneration mode) and it is then further increased by again increasing the out­put speed of the infinitely variable transmission (7, 8) in the third mode (split torque mode). The changeover is smooth thereby providing for a wide ratio range infinitely variable transmission.
Patent EP-0394835-A2 (EP)
Inventor: ARNSTEINER ANTON
IPC: A63C5/12
Filed: 1990-04-19
Abstract: A simple and cost-effective process of manufacturing a ski is to be made available. For this purpose, an upper part (10) of the ski, consisting at least of a covering layer (12), is formed in a mould (18, 20) in such a way that flange-type edges (22) are moulded onto the covering layer (12). A bottom part of the ski is placed on the top part (10) of the ski in such a way that it is flush in the edge region with the flange-shaped edges (22) and finally the bottom part of the ski and the top part (10) of the ski are joined together. <IMAGE>
Patent EP-0400488-A2 (EP)
Inventor: SOEDINGREKSO ABI DIPL-ING
IPC: G01N27/49
Filed: 1990-05-24
Abstract: Gas measuring cell with oxygen-doped noble-metal electrodes.
Patent EP-0402713-A2 (EP)
Inventor: VON BRACHEL HELMUT DR
IPC: F41A21/02
Filed: 1990-06-01
Abstract: To increase the strength of a gun barrel (1) in the region of the ignition plane where the orthogonally laid glass-fibre rovings are partially destroyed by the bores (5) for the ignition tubes (10), a corrugated thickening (7) of the gun-barrel reinforcement is provided. In this wall region, the ignition tubes can be fastened (screwed in) sufficiently securely, so that only an elastic gasket (16) has to be provided between the head (17) of the ignition tube (10) and the ignition ring (12), but there is no need for any mechanical fastening. This affords considerable advantages in terms of production. <IMAGE>
Patent EP-0416646-A2 (EP)
Inventor: ARAI IZUMI
IPC: H01L21/00
Filed: 1990-09-07
Abstract: A substrate processing apparatus comprising a hous­ing section (12) for housing substrates to be processed, a first chamber (22) for performing anisotropic etching treatment, conveyor means for conveying the substrates from the housing section (12) to the first chamber (22), and a second chamber (23) for performing at least one of isotropic etching treatment and ashing treatment with respect to a substrate which has been subjected to the anisotropic etching treatment in the first chamber (22). And a method of processing substrates, comprising the steps of performing anisotropic etching treatment in a first chamber with respect to the substrates, and per­forming at least one of isotropic etching treatment and ashing treatment in a second chamber (23) with respect to the substrates which have been subjected to the anisotropic etching treatment in the first chamber (22) and have been kept unexposed to the atmosphere, the iso­tropic etching treatment and the ashing treatment being performed simultaneously or in succession.
Patent EP-0421214-A2 (EP)
Inventor: FRAUENDORF BEATRIX DR
IPC: C08G18/32
Filed: 1990-09-22
Abstract: Gegenstand der Erfindung ist ein Verfahren zur Herstellung von hochkonzentrierten und überraschend in ihrer Lösungsviskosität stabilen Lösungen von segmentierten Polyurethanharnstoff-Elastomeren in hochpolaren Lösungsmitteln, wie Dimethylformamid und Dimethylacetamid ohne oder mit erheblich verminderter Verpastungstendenz, gekennzeichnet durch Verwendung bestimmter primärer und sekundärer cycloaliphatischer Monoamine oder cycloaliphatischer Monoisocyanate als Kettenabbrecher/Blockierungsmittel bei der Umsetzung von NCO-Prepolymeren auf Basis höhermolekularer Dihydroxyverbindungen und (vorzugsweise aromatischer) Diisocyanate mit aliphatischen und/oder cycloaliphatischen Diamin-Kettenverlängerungsmitteln. Die erfindungsgemäßen Kettenabbrecher zeigen unerwarteterweise auch Verbesserungen des Rohtons der Elastomerlösung und auch der Schadgas- und Lichtechtheit der Fertigprodukte, vorzugsweise der Fäden. Gegenstand der Erfindung sind auch entsprechend zusammengesetzte, spezielle Abbrecher enthaltende Elastomere, vorzugsweise in Form von Fäden, Folien oder Beschichtungen, welche verbesserte Licht- und Abgasbeständigkeit aufweisen.
Patent EP-0448814-A2 (EP)
Title: Polyester und Polyestercarbonate auf Basis von 3,8-Dihydroxy-5a, 10b- diphenylcumarano-2',3', 2, 3-cumaran
Inventor: SERINI VOLKER DR
IPC: C08G63/197
Filed: 1990-12-19
Abstract: Polyester und Polyestercarbonate aus a) aromatischen Diphenolen, b1) aliphatischen und/oder cycloaliphatischen und/oder aromatischen Dicarbonsäuren und gegebenenfalls, b2) Kohlensäure, enthaltend b1) in einer Menge von 0,1 bis 100 Mol-% und b2) in einer Menge von 0 bis 99,9 Mol-%, bezogen auf (b1 + b2), worin a) zu 0,1 bis 100 Mol-% aus 3,8-Dihydroxy-5a,10b-diphenylcumarano-2',3',2,3-cumaran der Formel (I) besteht. <IMAGE>
Patent EP-0385524-A2 (EP)
Inventor: PAPARO MARIO
IPC: H01L21/8222
Filed: 1990-02-12
Abstract: The monolithic integrated structure comprises a semiconductor substrate (1), a superimposed first epitaxial stratum (2) having characteristics such as to withstand a high supply voltage applied to the driving system and a first and a second insulation pocket (3, 4) which may be connected to a high voltage and to ground, respectively, and diffused in said first epitaxial stratum (2) at a distance such as to define an interposed area (25) of said first stratum (2) capable of insulating said insulating pockets (3, 4) from one another. Within the latter pockets (3, 4), there are provided respective embedded strata (6, 7) and superimposed regions (8, 9) of a second epitaxial stratum having characterstics such as to withstand the low voltage applied across the two driving stages. A further region (5) of said second epitaxial stratum is superimposed over said area (25) of said first epitaxial stratum (2). The above regions (8, 9) of insulation pockets (3, 4) are designed for the formation of two high and low voltage driving stages (DR1, DR2), while the above further region (5) of the second epitaxial stratum may be used for the formation of a level translator circuit component (T3). Means   (20, 21; 22, 23) are provided for the protection of said circuit component (T3) against high supply voltages.
Patent EP-0427328-A2 (EP)
Inventor: AXER KLAUS DR
IPC: G01R31/28
Filed: 1990-11-02
Abstract: In addition to the connection pads provided for normal operation, integrated circuits sometimes also embody additional testing connection pads via which signals can be fed into, or picked up from, the wafer during testing. Said connection pads take up additional space on the semiconductor wafer, with the result that fewer circuits can be accommodated on a semiconductor wafer of a given size. The invention proposes siting the testing connections in a single row in each case on one or two sides of the circuit and connecting them to two adjacent circuits. The cut for separating the chips after production and testing can then run through these testing connections, with the result that said testing connections require only a small amount of additional space. Adjacent circuits advantageously have a mirror-image layout with respect to each other.   <IMAGE>
Patent EP-0409432-A2 (EP)
Inventor: YANG ROBERT K
IPC: A61K47/34
Filed: 1990-06-28
Abstract: A chewable delivery system for actives comprising:
     (a) an active pre-coated with at least one material selected from the group consisting of lecithin, polyoxyalkylenes having chain lengths of about 4 carbons or less, glycerides having a melting point of 100°C or less, polyalkyleneglycols having a molecular weight of 3,700 or less, synthetic and natural waxes and mixtures thereof; and   (b) a confectionery matrix comprising a binder system comprising gelatin and a humectant material selected from the group consisting of glycerin and its lower alkyl (C₂₋₇) ester derivatives; a sweetener; and about 1% to about 30% by weight water.
Patent EP-0409448-A2 (EP)
Inventor: MOYAL MIKI
IPC: H03F3/68
Filed: 1990-07-05
Abstract: There is disclosed an operational amplifier (10) which is arranged for sensing the voltages provided by a plurality of input voltage sources and which diminishes the level of noise at the operational amplifier output resulting from the selection of the input voltage sources. The operational amplifier (10) includes a first amplification stage (12) having first and second voltage sensing inputs (38, 40), a common input (36), and an output (28, 34), and a second amplification stage (16) having an input (42) and an output (52). Switch means (14) are disposed between the first stage output (28, 34) and the second stage input (42) for selectively coupling the amplified signal at the first stage output resulting from an input signal at the first input (40) to the second stage input (42) or the amplified signal at the first stage output resulting from an input signal at the second input (38) to the second stage input (42). Because the switch means (14) is disposed between the first (12) and second (16) amplification stages, the noise coupled into the operational amplifier (10) is not amplified by the first amplification stage and hence, the noise at the output of the operational amplifier (10) is deceased by a factor equal to the gain of the first amplification stage (12).
Patent EP-0410662-A2 (EP)
Inventor: HILTON DENNIS M
IPC: C04B28/02
Filed: 1990-07-23
Abstract: Fireproofing compositions comprise a hydratable cementitious binder and shredded polystyrene aggregate characterised in that the shredded polystyrene has a particle size distribution such that a range of about 0 to about 20 percent by weight of the particles is retained by a sieve having a hole size of 1.679mm and a maximum of about 40 percent by weight of the particles passes through a sieve having a hole size of 0.594mm and is retained by a sieve having a hole size of 0.0432mm. On addition of water, the compositions form settable, sprayable slurries which are capable of spray application to steel structural members and adhere to the member in the slurried state and after setting to provide fire and heat protection.
Patent EP-0383689-A2 (EP)
Inventor: UEKI MASAAKI C O SONY CORPORAT
IPC: H03M1/06
Filed: 1990-02-14
Abstract: A PWM digital-to-analog converter is disclosed in which a differential component between the pulse width modulated waveform consistent with input digital data and the 2's complement data of the input digital data is taken at a differential amplifier (46) and freed of high frequency components to produce an analog ouput signal (S out) with improved distortion factor.
Patent EP-0403416-A2 (EP)
Inventor: WEBSTER JOHN WILL III
IPC: G06F3/048
Filed: 1990-05-29
Abstract: Smooth scrolling of a document on an all points address­able system which provides fast response and scrolling in increments of a single display row, while being storage efficient. The document is completely stored in compact format and a portion of the document which encompasses the current display window is stored in bitmap image format. There is smooth scrolling between displays completely within the bitmap image. The scroll is only interrupted for a scroll outside the portion of the document in bitmap image format, in which case the bitmap image is adjusted using the compact format to include that portion of the document with the desired display.
Patent EP-0413651-A2 (EP)
Inventor: BARKER BARBARA A
IPC: G06F17/30
Filed: 1990-06-29
Abstract: A method is disclosed which permits the self modification of data stream constructs by the utilization of one or more macro definitions, each of which includes a plurality of parameters, at least one of which is modifi­able. A modify parameter structured field is included within a selected macro definition and identifies a par­ticular parameter within the macro definition which may be modified. Subsequent invocation of the macro definition may include selective identification of a parameter to be modified. If the identified parameter has been specified as modifiable by the macro definition, the parameter is modified and the macro definition is thereby altered. In this manner the present method permits the utilization of a single macro definition by multiple processes within a data stream.
Patent EP-0439153-A2 (EP)
Inventor: SAKAKI MAMORU
IPC: B41M5/52
Filed: 1991-01-23
Abstract: An ink jet recording method includes a step in which dots of inks of different colors are superposed on a preselected region on a recording medium to form a color image. The recording medium is composed of a liquid-absorbing substrate and a surface layer formed on the substrate. The surface layer is composed mainly of a pigment and a binder. The ink jet recording method is characterized in that dots of at least two inks of different colors are formed in superposition within a time interval of 0.3 seconds. Preferably, the pigment in the surface layer of the recording medium is basic magnesium carbonate.
Patent EP-0452886-A2 (EP)
Inventor: GOTO MASATOSHI C O FUJI PHOTO
IPC: G03C7/305
Filed: 1991-04-16
Abstract: A method of processing a silver halide color photographic material is disclosed, comprising a support having provided thereon at least one light-sensitive emulsion layer, which comprises the steps of color developing the material with a developer to which a replenisher is added and bleaching the developed material, wherein the material contains a coupler represented by the following general formula (I) and the amount of replenisher added to the color developer is 600 ml or less per m 2  of the material:
     wherein A represents a coupler group, and when A is a phenol or naphthol coupler group, n is 1, and when A is any other coupler group, n is 0; and R represents an alkyl group having from 1 to 4 carbon atoms, or a pyridyl group. Images having excellent photographic characteristics are obtained by the method even though the amount of the replenisher is reduced.
Patent EP-0465913-A2 (EP)
Inventor: HAGA TAKAHIRO ISHIHARA SANGYO
IPC: A61P43/00
Filed: 1991-06-24
Abstract: A diaminotrifluoromethylpyridine derivative of the formula (I) or its salt:
     wherein X is -CW 1 R 1 , -COCOR 2 , -CW I NHCOR 2 , -C(=W 1 )W 2 R 3  or -CW 1 N(R 4 )R 5 , and Y is alkyl, -CW 3 R 6 , -COCOR 7 , -NHCOR 7 , -C(=W 3 )W 4 R 8 , -(NH) m SO 2 R 9 , -(NH) m SO 2 OR 10  or -(NH) m SO 2 N(R 11 )R 12 , wherein each of R 1 , R 6  and R 9 , which are independent from one another, is a chain hydrocarbon group which may be substituted, a monocyclic hydrocarbon group which may be substituted, a polycyclic hydrocarbon group which may be substituted, a monocyclic heterocycle group which may be substituted or a polycyclic heterocycle group which may be substituted, each of R 2  and R 7 , which are independent from each other, is alkyl which may be substituted, alkoxy which may be substituted, phenyl which may be substituted or phenoxy which may be substituted, each of R 3 , R 8  and R 10 , which are independent from one another, is alkyl which may be substituted, alkenyl which may be substituted, alkynyl which may be substituted, cycloalkyl which may be substituted, phenyl which may be substituted or benzyl which may be substituted, each of R 4 , R 5 , R 11  and R 12 , which are independent from one another, is alkyl which may be substituted, each of W 1 , W 2 , W 3  and W 4 , which are independent from one another, is an oxygen atom or a sulfur atom, and m is 0 or 1, provided that a combination wherein one of X and Y is -COCF 2 X I  wherein X 1  is a hydrogen atom, a halogen atom, alkyl or haloalkyl, and the other is -COCF 2 X 2  wherein X 2  is a hydrogen atom, a halogen atom, alkyl, haloalkyl or alkylcarbonyl, or -COOX 3  wherein X 3  is alkyl which may be substituted or phenyl which may be substituted, is excluded.
Patent EP-0466140-A2 (EP)
Inventor: BRESKIN AMOS
IPC: G01T1/28
Filed: 1991-07-10
Abstract: Apparatus for digital imaging including at least one electron multiplier (16) arranged to receive beta radiation from a sample (12), apparatus for collimating the beta radiation without totally blocking all radiation from any location within a given region of interest on the sample (12), and readout electrodes operative in response to electrons from the electron multiplier (16) to provide a first output indication of the incidence and location of beta radiation from the sample (12).
Patent EP-0477970-A2 (EP)
Inventor: MORI TAKAHIRO
IPC: B41M5/50
Filed: 1991-09-27
Abstract: A recording medium has an ink-receiving layer of a condensation product of sorbitol with an aromatic aldehyde, polyvinylpyrrolidone and a resin, wherein the resin has a main component of a unit with hydroxyl group represented by a following Formula (I).
     wherein R 1 , R 2  and R 3  independently denote hydrogen or methyl; R 4  denotes a group represented by
     m is an integer of 1-20, R 5  denotes a group represented by -C ℓ  H 2ℓ -, ℓ is an integer of 1-4.
Patent EP-0485790-A2 (EP)
Inventor: LOEHR HANS-GUENTER DR-ING
IPC: B27B33/20
Filed: 1991-10-26
Abstract: The device for separating and edging in particular thin printed-circuit boards, but also multi-layer printed-circuit boards, operates using two circular saw blades which are arranged opposite one another in a plane and preferably have diamond cutters whose sawteeth in each case engage in the surface of the printed-circuit boards and notch into them without cutting through them completely from both sides. The remaining "residual web" is selected to be as thin as possible but to be sufficiently large that the two saw blades can be set such that their teeth can be placed tip against tip without touching during operation. The complete separation of the printed-circuit board takes place in a second procedure step, using a thin separating disc which rotates at a high circumferential speed and separates the residual web. <IMAGE>
Patent EP-0485980-A2 (EP)
Inventor: KEIKO OTHSUKI
IPC: H04M3/58
Filed: 1991-11-13
Abstract: A message service control system having a main exchange unit and a voice storing exchange unit (13), the voice storing exchange unit (13) having a subscriber data registering unit (S3) for registering a transfer destination address designated in advance by a called subscriber and a message storing unit (S4) for storing the message, the message including a guideline to the calling subscriber for selecting to store a message from the calling subscriber or to be connected to the transfer destination address.
Patent EP-0495180-A2 (EP)
Inventor: SCHOBERTH ACHIM
IPC: G01N3/04
Filed: 1991-11-22
Abstract: A device 1, 20 for determining the compressive strength of materials which are resistant to high temperature can be clamped in a pressure testing machine which has clamping jaws 6 tapered conically outwards for inserting a specimen 7, clamping sleeves 5, 25 which receive the clamping jaws 6 and a furnace 12 surrounding the clamping parts for heating the specimen, the clamping jaws 6 and the clamping sleeves 5, 25 being composed of graphite. The clamping jaws 5, 25 are inserted in back-up rings 10, 22a made of carbon-fibre-reinforced carbon, the back-up rings having a lower coefficient of thermal expansion than the clamping sleeves. The whole device 1, 20 is inserted in an evacuable chamber 13, which can also be filled with protective gas. <IMAGE>